Re: Compare rows

Поиск
Список
Период
Сортировка
От Joe Conway
Тема Re: Compare rows
Дата
Msg-id 3F843F73.6030302@joeconway.com
обсуждение исходный текст
Ответ на Re: Compare rows  (Greg Spiegelberg <gspiegelberg@cranel.com>)
Ответы Re: Compare rows
Список pgsql-performance
Greg Spiegelberg wrote:
> The reason for my initial question was this.  We save changes only.
> In other words, if system S has row T1 for day D1 and if on day D2
> we have another row T1 (excluding our time column) we don't want
> to save it.

It still isn't entirely clear to me what you are trying to do, but
perhaps some sort of calculated checksum or hash would work to determine
if the data has changed?

Joe



В списке pgsql-performance по дате отправления:

Предыдущее
От: Neil Conway
Дата:
Сообщение: Re: Sun performance - Major discovery!
Следующее
От: Jeff
Дата:
Сообщение: Re: Presentation